What can the increase in the size of the "cousins be compared to on the periodic table?

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

What does the process of natural selection involve